Sony HCD-ZUX999 Service Manual page 80

HCD-ZUX999
• IC Pin Function Description
MAIN BOARD (2/4) IC111 R5F3640MDFAR (SYSTEM CONTROL)
Pin No. Pin Name
1 AD POWER CTL
2 TBL-SENS
3 LMR
4 SIRCS_IN
5 FL/LED/IO-EXP TXD
6 LED/IO-EXP RXD(JOG)
7 FL/LED/IO-EXP CLK
8 BYTE
9 CNVSS
10 XCIN
11 XCOUT
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NO_USE
18 AC CUT DETECT
19 O-DAC S-MUTE
20 B.BOOST
21 OPEN SW
22 EEP-SCL
23 FL-RESET
24 EEP-SDA
25 FL_LAT
26 FL_BK
27 LED_LAT
28 LED_BK
29 VOL_IC_IIC_CLK
30 VOL_IC_IIC_DATA
31 IIC_DATA/TXD1
32 IIC_CLK/RXD1
33 NO_USE/CLK1
STALLION_CTS_IN/
34
RTS1
35 STALLION_TXD_OUT
36 STALLION_RXD_IN
37 STALLION_RESET
38 STALLION_RTS
39 CLKOUT/SOFT TEST
40 I-MIC DETECT
41 STK_MUTE
42 HP_MUTE
43 LINE_MUTE
44 FRONT_SP_RELAY
45 TM-F
46 PULL UP
47 TM-R
48 LM-F
49 ML2252-WR
50 ML2252-BUSY2
51 ML2252-BUSY1
52 ML2252-NCR1
53 ML2252-NCR2
54 ML2252-CLK
55 ML2252-DATA_OUT
56 ML2252-RESET
80
I/O
O A/D power supply control signal output ("H": ON)
I Disc tray position detection signal input from CDM
O CDM loading motor control signal output
I Remote control signal input
O FL and LED driver's serial data signal output
I Serial data input from encoder dial
O FL and LED driver's serial clock signal output
— Not used. (Connected to ground)
I Change processor mode
I Sub system clock input terminal (32.768kHz)
O Sub system clock output terminal (32.768kHz)
I System Reset signal input
O Main system clock output terminal (5MHz)
— Ground
I Main system clock input terminal (5MHz)
— Power supply (+3.3V)
I Not used. (Pull up)
I AC off detection signal input
O D/A converter mute signal output
O Groove select control signal output ("H": OFF, "L": ON, "Hiz": Z-Groove)
I Tray open/close detection signal input from CDM
O Serial clock signal output to EEPRPM
O FL reset signal output
I/O Serial data input/output with EEPRPM
O FL serial data latch signal output
O FL blank control signal output
O LED driver serial data latch signal output
O LED blank control signal output
O Serial clock signal output to Volume IC
I/O Serial data signal input/output to Volume IC
I/O Serial data signal input for Flash write /Debug data signal input/output
I/O Serial data signal input for Flash write /Debug clock signal input/output
O Serial clock signal input/output for Flash write
I RTS signal input for Flash write
O Serial data signal output to DSP IC
I Serial data signal input from DSP IC
O Reset signal output to DSP IC
O RTS signal output to DSP IC
— Not used (Open)
I Microphone detection signal input ("H": microphone insert)
O Standby signal output to the power amplifi er
O Headphone muting control signal output ("L": MUTE)
O Muting on/off control signal output terminal ("L":muting on)
O F/R speaker output relay drive signal output
O CDM table motor control signal output
— Not use (pull up)
O CDM table motor control signal output
O CDM loading motor control signal output
O Status data write signal output to ML2252
I Channel 2 playback status signal input from ML2252
I Channel 1 playback status signal input from ML2252
I Channel 1 Next Command Ready status signal input from ML2252
I Channel 2 Next Command Ready status signal input from ML2252
O Serial data transfer clock signal output to ML2252
O Serial data signal output to ML2252
O Reset signal output to ML2252
Description